我不明白您到底想做什么,但是通常按照以下方式完成特定于对象的行为:
function MyClass(name) { this.name = name;}MyClass.prototype.doStuff = function() { // generic behaviour}var myObj = new MyClass('foo');var myObjSpecial = new MyClass('bar');myObjSpecial.doStuff = function() { // do specialised stuff // how to call the generic implementation: MyClass.prototype.doStuff.call(this );}


